The Brodsky Quartet is a British string quartet, in existence since 1972, though only Ian Belton and Jacqueline Thomas are original members. 　　In addition to performing classical music, and in particular the string quartet repertoire of Haydn, Beethoven, Schubert, Bartók and Shostakovich, they have collaborated with such rock and pop figures as Bj?rk, Elvis Costello and Paul McCartney. They perform the "Strings" on Bjark's "Family Tree" collection.